public static byte[] AESDecrypt(byte[] input, string Pass)
{
System.Security.Cryptography.RijndaelManaged AES = new System.Security.Cryptography.RijndaelManaged();
byte[] hash = new byte[32];
byte[] temp = new MD5CryptoServiceProvider().ComputeHash(System.Text.Encoding.ASCII.GetBytes(Pass));
Array.Copy(temp, 0, hash, 0, 16);
Array.Copy(temp, 0, hash, 15, 16);
AES.Key = hash;
AES.Mode = System.Security.Cryptography.CipherMode.ECB;
System.Security.Cryptography.ICryptoTransform DESDecrypter = AES.CreateDecryptor();
return DESDecrypter.TransformFinalBlock(input, 0, input.Length);
}